919920492

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 2540661760

約数和(自身を除く): 1620741268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 163, 171, 222, 223, 228, 326, 333, 342, 444, 446, 489, 652, 666, 669, 684, 703, 892, 978, 1332, 1338, 1406, 1467, 1956, 2007, 2109, 2676, 2812, 2934, 3097, 4014, 4218, 4237, 5868, 6031, 6194, 6327, 8028, 8251, 8436, 8474, 9291, 12062, 12388, 12654, 12711, 16502, 16948, 18093, 18582, 24124, 24753, 25308, 25422, 27873, 33004, 36186, 36349, 37164, 38133, 49506, 50844, 54279, 55746, 72372, 72698, 74259, 76266, 99012, 108558, 109047, 111492, 114589, 145396, 148518, 152532, 156769, 217116, 218094, 229178, 297036, 313538, 327141, 343767, 436188, 458356, 470307, 627076, 654282, 687534, 690631, 940614, 1031301, 1308564, 1344913, 1375068, 1381262, 1410921, 1881228, 2062602, 2071893, 2689826, 2762524, 2821842, 4034739, 4125204, 4143786, 5379652, 5643684, 6215679, 8069478, 8287572, 12104217, 12431358, 16138956, 24208434, 24862716, 25553347, 48416868, 51106694, 76660041, 102213388, 153320082, 229980123, 306640164, 459960246, 919920492]

約数ペア:

[(1, 919920492), (2, 459960246), (3, 306640164), (4, 229980123), (6, 153320082), (9, 102213388), (12, 76660041), (18, 51106694), (19, 48416868), (36, 25553347), (37, 24862716), (38, 24208434), (57, 16138956), (74, 12431358), (76, 12104217), (111, 8287572), (114, 8069478), (148, 6215679), (163, 5643684), (171, 5379652), (222, 4143786), (223, 4125204), (228, 4034739), (326, 2821842), (333, 2762524), (342, 2689826), (444, 2071893), (446, 2062602), (489, 1881228), (652, 1410921), (666, 1381262), (669, 1375068), (684, 1344913), (703, 1308564), (892, 1031301), (978, 940614), (1332, 690631), (1338, 687534), (1406, 654282), (1467, 627076), (1956, 470307), (2007, 458356), (2109, 436188), (2676, 343767), (2812, 327141), (2934, 313538), (3097, 297036), (4014, 229178), (4218, 218094), (4237, 217116), (5868, 156769), (6031, 152532), (6194, 148518), (6327, 145396), (8028, 114589), (8251, 111492), (8436, 109047), (8474, 108558), (9291, 99012), (12062, 76266), (12388, 74259), (12654, 72698), (12711, 72372), (16502, 55746), (16948, 54279), (18093, 50844), (18582, 49506), (24124, 38133), (24753, 37164), (25308, 36349), (25422, 36186), (27873, 33004)]