19029560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 47541600

約数和(自身を除く): 28512040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 709, 1220, 1342, 1418, 2440, 2684, 2836, 3355, 3545, 5368, 5672, 6710, 7090, 7799, 13420, 14180, 15598, 26840, 28360, 31196, 38995, 43249, 62392, 77990, 86498, 155980, 172996, 216245, 311960, 345992, 432490, 475739, 864980, 951478, 1729960, 1902956, 2378695, 3805912, 4757390, 9514780, 19029560]

約数ペア:

[(1, 19029560), (2, 9514780), (4, 4757390), (5, 3805912), (8, 2378695), (10, 1902956), (11, 1729960), (20, 951478), (22, 864980), (40, 475739), (44, 432490), (55, 345992), (61, 311960), (88, 216245), (110, 172996), (122, 155980), (220, 86498), (244, 77990), (305, 62392), (440, 43249), (488, 38995), (610, 31196), (671, 28360), (709, 26840), (1220, 15598), (1342, 14180), (1418, 13420), (2440, 7799), (2684, 7090), (2836, 6710), (3355, 5672), (3545, 5368)]