18071004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 49839888

約数和(自身を除く): 31768884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 421, 438, 511, 588, 842, 876, 1022, 1263, 1533, 1684, 2044, 2526, 2947, 3066, 3577, 5052, 5894, 6132, 7154, 8841, 10731, 11788, 14308, 17682, 20629, 21462, 30733, 35364, 41258, 42924, 61466, 61887, 82516, 92199, 122932, 123774, 184398, 215131, 247548, 368796, 430262, 645393, 860524, 1290786, 1505917, 2581572, 3011834, 4517751, 6023668, 9035502, 18071004]

約数ペア:

[(1, 18071004), (2, 9035502), (3, 6023668), (4, 4517751), (6, 3011834), (7, 2581572), (12, 1505917), (14, 1290786), (21, 860524), (28, 645393), (42, 430262), (49, 368796), (73, 247548), (84, 215131), (98, 184398), (146, 123774), (147, 122932), (196, 92199), (219, 82516), (292, 61887), (294, 61466), (421, 42924), (438, 41258), (511, 35364), (588, 30733), (842, 21462), (876, 20629), (1022, 17682), (1263, 14308), (1533, 11788), (1684, 10731), (2044, 8841), (2526, 7154), (2947, 6132), (3066, 5894), (3577, 5052)]