18709572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 51940224

約数和(自身を除く): 33230652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 677, 987, 1316, 1354, 1974, 2031, 2303, 2708, 3948, 4062, 4606, 4739, 6909, 8124, 9212, 9478, 13818, 14217, 18956, 27636, 28434, 31819, 33173, 56868, 63638, 66346, 95457, 99519, 127276, 132692, 190914, 199038, 222733, 381828, 398076, 445466, 668199, 890932, 1336398, 1559131, 2672796, 3118262, 4677393, 6236524, 9354786, 18709572]

約数ペア:

[(1, 18709572), (2, 9354786), (3, 6236524), (4, 4677393), (6, 3118262), (7, 2672796), (12, 1559131), (14, 1336398), (21, 890932), (28, 668199), (42, 445466), (47, 398076), (49, 381828), (84, 222733), (94, 199038), (98, 190914), (141, 132692), (147, 127276), (188, 99519), (196, 95457), (282, 66346), (294, 63638), (329, 56868), (564, 33173), (588, 31819), (658, 28434), (677, 27636), (987, 18956), (1316, 14217), (1354, 13818), (1974, 9478), (2031, 9212), (2303, 8124), (2708, 6909), (3948, 4739), (4062, 4606)]