18687288711

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{27239}}^1$

素因数の和:27628

約数の個数: 48

約数和(自身を含む): 31302028800

約数和(自身を除く): 12614740089

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 359, 637, 1077, 1911, 2513, 4667, 7539, 14001, 17591, 27239, 32669, 52773, 81717, 98007, 190673, 228683, 354107, 572019, 686049, 1062321, 1334711, 2478749, 4004133, 7436247, 9778801, 17351243, 29336403, 52053729, 68451607, 127124413, 205354821, 381373239, 479161249, 889870891, 1437483747, 2669612673, 6229096237, 18687288711]

約数ペア:

[(1, 18687288711), (3, 6229096237), (7, 2669612673), (13, 1437483747), (21, 889870891), (39, 479161249), (49, 381373239), (91, 205354821), (147, 127124413), (273, 68451607), (359, 52053729), (637, 29336403), (1077, 17351243), (1911, 9778801), (2513, 7436247), (4667, 4004133), (7539, 2478749), (14001, 1334711), (17591, 1062321), (27239, 686049), (32669, 572019), (52773, 354107), (81717, 228683), (98007, 190673)]