17963660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 44732688

約数和(自身を除く): 26769028

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 571, 572, 605, 715, 1142, 1210, 1430, 1573, 2284, 2420, 2855, 2860, 3146, 5710, 6281, 6292, 7423, 7865, 11420, 12562, 14846, 15730, 25124, 29692, 31405, 31460, 37115, 62810, 69091, 74230, 81653, 125620, 138182, 148460, 163306, 276364, 326612, 345455, 408265, 690910, 816530, 898183, 1381820, 1633060, 1796366, 3592732, 4490915, 8981830, 17963660]

約数ペア:

[(1, 17963660), (2, 8981830), (4, 4490915), (5, 3592732), (10, 1796366), (11, 1633060), (13, 1381820), (20, 898183), (22, 816530), (26, 690910), (44, 408265), (52, 345455), (55, 326612), (65, 276364), (110, 163306), (121, 148460), (130, 138182), (143, 125620), (220, 81653), (242, 74230), (260, 69091), (286, 62810), (484, 37115), (571, 31460), (572, 31405), (605, 29692), (715, 25124), (1142, 15730), (1210, 14846), (1430, 12562), (1573, 11420), (2284, 7865), (2420, 7423), (2855, 6292), (2860, 6281), (3146, 5710)]