1917509940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{7193}}^1$

素因数の和:8689

約数の個数: 72

約数和(自身を含む): 5821183368

約数和(自身を除く): 3903673428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1481, 2962, 4443, 5924, 7193, 7405, 8886, 13329, 14386, 14810, 17772, 21579, 22215, 26658, 28772, 29620, 35965, 43158, 44430, 53316, 64737, 66645, 71930, 86316, 88860, 107895, 129474, 133290, 143860, 215790, 258948, 266580, 323685, 431580, 647370, 1294740, 10652833, 21305666, 31958499, 42611332, 53264165, 63916998, 95875497, 106528330, 127833996, 159792495, 191750994, 213056660, 319584990, 383501988, 479377485, 639169980, 958754970, 1917509940]

約数ペア:

[(1, 1917509940), (2, 958754970), (3, 639169980), (4, 479377485), (5, 383501988), (6, 319584990), (9, 213056660), (10, 191750994), (12, 159792495), (15, 127833996), (18, 106528330), (20, 95875497), (30, 63916998), (36, 53264165), (45, 42611332), (60, 31958499), (90, 21305666), (180, 10652833), (1481, 1294740), (2962, 647370), (4443, 431580), (5924, 323685), (7193, 266580), (7405, 258948), (8886, 215790), (13329, 143860), (14386, 133290), (14810, 129474), (17772, 107895), (21579, 88860), (22215, 86316), (26658, 71930), (28772, 66645), (29620, 64737), (35965, 53316), (43158, 44430)]