19544940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4759

約数の個数: 72

約数和(自身を含む): 61877088

約数和(自身を除く): 42332148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4721, 9442, 14163, 18884, 23605, 28326, 42489, 47210, 56652, 70815, 84978, 94420, 108583, 141630, 169956, 212445, 217166, 283260, 325749, 424890, 434332, 542915, 651498, 849780, 977247, 1085830, 1302996, 1628745, 1954494, 2171660, 3257490, 3908988, 4886235, 6514980, 9772470, 19544940]

約数ペア:

[(1, 19544940), (2, 9772470), (3, 6514980), (4, 4886235), (5, 3908988), (6, 3257490), (9, 2171660), (10, 1954494), (12, 1628745), (15, 1302996), (18, 1085830), (20, 977247), (23, 849780), (30, 651498), (36, 542915), (45, 434332), (46, 424890), (60, 325749), (69, 283260), (90, 217166), (92, 212445), (115, 169956), (138, 141630), (180, 108583), (207, 94420), (230, 84978), (276, 70815), (345, 56652), (414, 47210), (460, 42489), (690, 28326), (828, 23605), (1035, 18884), (1380, 14163), (2070, 9442), (4140, 4721)]