17721912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 30662088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 719, 948, 1027, 1438, 1896, 2054, 2157, 2876, 3081, 4108, 4314, 5752, 6162, 8216, 8628, 9347, 12324, 17256, 18694, 24648, 28041, 37388, 56082, 56801, 74776, 112164, 113602, 170403, 224328, 227204, 340806, 454408, 681612, 738413, 1363224, 1476826, 2215239, 2953652, 4430478, 5907304, 8860956, 17721912]

約数ペア:

[(1, 17721912), (2, 8860956), (3, 5907304), (4, 4430478), (6, 2953652), (8, 2215239), (12, 1476826), (13, 1363224), (24, 738413), (26, 681612), (39, 454408), (52, 340806), (78, 227204), (79, 224328), (104, 170403), (156, 113602), (158, 112164), (237, 74776), (312, 56801), (316, 56082), (474, 37388), (632, 28041), (719, 24648), (948, 18694), (1027, 17256), (1438, 12324), (1896, 9347), (2054, 8628), (2157, 8216), (2876, 6162), (3081, 5752), (4108, 4314)]