17953962

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 40715136

約数和(自身を除く): 22761174

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 53, 78, 86, 101, 106, 129, 159, 202, 258, 303, 318, 559, 606, 689, 1118, 1313, 1378, 1677, 2067, 2279, 2626, 3354, 3939, 4134, 4343, 4558, 5353, 6837, 7878, 8686, 10706, 13029, 13674, 16059, 26058, 29627, 32118, 56459, 59254, 69589, 88881, 112918, 139178, 169377, 177762, 208767, 230179, 338754, 417534, 460358, 690537, 1381074, 2992327, 5984654, 8976981, 17953962]

約数ペア:

[(1, 17953962), (2, 8976981), (3, 5984654), (6, 2992327), (13, 1381074), (26, 690537), (39, 460358), (43, 417534), (53, 338754), (78, 230179), (86, 208767), (101, 177762), (106, 169377), (129, 139178), (159, 112918), (202, 88881), (258, 69589), (303, 59254), (318, 56459), (559, 32118), (606, 29627), (689, 26058), (1118, 16059), (1313, 13674), (1378, 13029), (1677, 10706), (2067, 8686), (2279, 7878), (2626, 6837), (3354, 5353), (3939, 4558), (4134, 4343)]