19974168

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 60672000

約数和(自身を除く): 40697832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 31, 36, 38, 54, 57, 62, 72, 76, 93, 108, 114, 124, 152, 157, 171, 186, 216, 228, 248, 279, 314, 342, 372, 456, 471, 513, 558, 589, 628, 684, 744, 837, 942, 1026, 1116, 1178, 1256, 1368, 1413, 1674, 1767, 1884, 2052, 2232, 2356, 2826, 2983, 3348, 3534, 3768, 4104, 4239, 4712, 4867, 5301, 5652, 5966, 6696, 7068, 8478, 8949, 9734, 10602, 11304, 11932, 14136, 14601, 15903, 16956, 17898, 19468, 21204, 23864, 26847, 29202, 31806, 33912, 35796, 38936, 42408, 43803, 53694, 58404, 63612, 71592, 80541, 87606, 92473, 107388, 116808, 127224, 131409, 161082, 175212, 184946, 214776, 262818, 277419, 322164, 350424, 369892, 525636, 554838, 644328, 739784, 832257, 1051272, 1109676, 1664514, 2219352, 2496771, 3329028, 4993542, 6658056, 9987084, 19974168]

約数ペア:

[(1, 19974168), (2, 9987084), (3, 6658056), (4, 4993542), (6, 3329028), (8, 2496771), (9, 2219352), (12, 1664514), (18, 1109676), (19, 1051272), (24, 832257), (27, 739784), (31, 644328), (36, 554838), (38, 525636), (54, 369892), (57, 350424), (62, 322164), (72, 277419), (76, 262818), (93, 214776), (108, 184946), (114, 175212), (124, 161082), (152, 131409), (157, 127224), (171, 116808), (186, 107388), (216, 92473), (228, 87606), (248, 80541), (279, 71592), (314, 63612), (342, 58404), (372, 53694), (456, 43803), (471, 42408), (513, 38936), (558, 35796), (589, 33912), (628, 31806), (684, 29202), (744, 26847), (837, 23864), (942, 21204), (1026, 19468), (1116, 17898), (1178, 16956), (1256, 15903), (1368, 14601), (1413, 14136), (1674, 11932), (1767, 11304), (1884, 10602), (2052, 9734), (2232, 8949), (2356, 8478), (2826, 7068), (2983, 6696), (3348, 5966), (3534, 5652), (3768, 5301), (4104, 4867), (4239, 4712)]