18742290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2927

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 34341870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 2879, 3255, 5758, 6510, 8637, 14395, 17274, 20153, 28790, 40306, 43185, 60459, 86370, 89249, 100765, 120918, 178498, 201530, 267747, 302295, 446245, 535494, 604590, 624743, 892490, 1249486, 1338735, 1874229, 2677470, 3123715, 3748458, 6247430, 9371145, 18742290]

約数ペア:

[(1, 18742290), (2, 9371145), (3, 6247430), (5, 3748458), (6, 3123715), (7, 2677470), (10, 1874229), (14, 1338735), (15, 1249486), (21, 892490), (30, 624743), (31, 604590), (35, 535494), (42, 446245), (62, 302295), (70, 267747), (93, 201530), (105, 178498), (155, 120918), (186, 100765), (210, 89249), (217, 86370), (310, 60459), (434, 43185), (465, 40306), (651, 28790), (930, 20153), (1085, 17274), (1302, 14395), (2170, 8637), (2879, 6510), (3255, 5758)]