1918874524

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:1019

約数の個数: 96

約数和(自身を含む): 4296983040

約数和(自身を除く): 2378108516

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 331, 476, 532, 641, 646, 662, 1282, 1292, 1324, 2261, 2317, 2564, 4487, 4522, 4634, 5627, 6289, 8974, 9044, 9268, 10897, 11254, 12179, 12578, 17948, 21794, 22508, 24358, 25156, 39389, 43588, 44023, 48716, 76279, 78778, 85253, 88046, 106913, 152558, 157556, 170506, 176092, 207043, 212171, 213826, 305116, 341012, 414086, 424342, 427652, 748391, 828172, 848684, 1449301, 1485197, 1496782, 2898602, 2970394, 2993564, 3606907, 4031249, 5797204, 5940788, 7213814, 8062498, 14427628, 16124996, 25248349, 28218743, 50496698, 56437486, 68531233, 100993396, 112874972, 137062466, 274124932, 479718631, 959437262, 1918874524]

約数ペア:

[(1, 1918874524), (2, 959437262), (4, 479718631), (7, 274124932), (14, 137062466), (17, 112874972), (19, 100993396), (28, 68531233), (34, 56437486), (38, 50496698), (68, 28218743), (76, 25248349), (119, 16124996), (133, 14427628), (238, 8062498), (266, 7213814), (323, 5940788), (331, 5797204), (476, 4031249), (532, 3606907), (641, 2993564), (646, 2970394), (662, 2898602), (1282, 1496782), (1292, 1485197), (1324, 1449301), (2261, 848684), (2317, 828172), (2564, 748391), (4487, 427652), (4522, 424342), (4634, 414086), (5627, 341012), (6289, 305116), (8974, 213826), (9044, 212171), (9268, 207043), (10897, 176092), (11254, 170506), (12179, 157556), (12578, 152558), (17948, 106913), (21794, 88046), (22508, 85253), (24358, 78778), (25156, 76279), (39389, 48716), (43588, 44023)]