18103636658

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 72

約数和(自身を含む): 29910974976

約数和(自身を除く): 11807338318

約数列:

[1, 2, 19, 38, 43, 71, 86, 142, 191, 361, 382, 722, 817, 1349, 1634, 1849, 2698, 3053, 3629, 3698, 6106, 7258, 8213, 13561, 15523, 16426, 25631, 27122, 31046, 35131, 51262, 58007, 68951, 70262, 116014, 131279, 137902, 156047, 257659, 262558, 312094, 353159, 515318, 583123, 667489, 706318, 1102133, 1166246, 1334978, 2204266, 2494301, 2964893, 4895521, 4988602, 5929786, 6710021, 9791042, 11079337, 13420042, 22158674, 25074289, 47391719, 50148578, 94783438, 127490399, 210507403, 254980798, 421014806, 476411491, 952822982, 9051818329, 18103636658]

約数ペア:

[(1, 18103636658), (2, 9051818329), (19, 952822982), (38, 476411491), (43, 421014806), (71, 254980798), (86, 210507403), (142, 127490399), (191, 94783438), (361, 50148578), (382, 47391719), (722, 25074289), (817, 22158674), (1349, 13420042), (1634, 11079337), (1849, 9791042), (2698, 6710021), (3053, 5929786), (3629, 4988602), (3698, 4895521), (6106, 2964893), (7258, 2494301), (8213, 2204266), (13561, 1334978), (15523, 1166246), (16426, 1102133), (25631, 706318), (27122, 667489), (31046, 583123), (35131, 515318), (51262, 353159), (58007, 312094), (68951, 262558), (70262, 257659), (116014, 156047), (131279, 137902)]