1818371630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{631}}^1$

素因数の和:1209

約数の個数: 64

約数和(自身を含む): 3576614400

約数和(自身を除く): 1758242770

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 523, 551, 631, 1046, 1102, 1262, 2615, 2755, 3155, 5230, 5510, 6310, 9937, 11989, 15167, 18299, 19874, 23978, 30334, 36598, 49685, 59945, 75835, 91495, 99370, 119890, 151670, 182990, 288173, 330013, 347681, 576346, 660026, 695362, 1440865, 1650065, 1738405, 2881730, 3300130, 3476810, 6270247, 9570377, 12540494, 19140754, 31351235, 47851885, 62702470, 95703770, 181837163, 363674326, 909185815, 1818371630]

約数ペア:

[(1, 1818371630), (2, 909185815), (5, 363674326), (10, 181837163), (19, 95703770), (29, 62702470), (38, 47851885), (58, 31351235), (95, 19140754), (145, 12540494), (190, 9570377), (290, 6270247), (523, 3476810), (551, 3300130), (631, 2881730), (1046, 1738405), (1102, 1650065), (1262, 1440865), (2615, 695362), (2755, 660026), (3155, 576346), (5230, 347681), (5510, 330013), (6310, 288173), (9937, 182990), (11989, 151670), (15167, 119890), (18299, 99370), (19874, 91495), (23978, 75835), (30334, 59945), (36598, 49685)]