19774404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 38931516

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 31, 36, 39, 47, 52, 58, 62, 78, 87, 93, 94, 116, 117, 124, 141, 156, 174, 186, 188, 234, 261, 279, 282, 348, 372, 377, 403, 423, 468, 522, 558, 564, 611, 754, 806, 846, 899, 1044, 1116, 1131, 1209, 1222, 1363, 1457, 1508, 1612, 1692, 1798, 1833, 2262, 2418, 2444, 2697, 2726, 2914, 3393, 3596, 3627, 3666, 4089, 4371, 4524, 4836, 5394, 5452, 5499, 5828, 6786, 7254, 7332, 8091, 8178, 8742, 10788, 10998, 11687, 12267, 13113, 13572, 14508, 16182, 16356, 17484, 17719, 18941, 21996, 23374, 24534, 26226, 32364, 35061, 35438, 37882, 42253, 46748, 49068, 52452, 53157, 56823, 70122, 70876, 75764, 84506, 105183, 106314, 113646, 126759, 140244, 159471, 169012, 170469, 210366, 212628, 227292, 253518, 318942, 340938, 380277, 420732, 507036, 549289, 637884, 681876, 760554, 1098578, 1521108, 1647867, 2197156, 3295734, 4943601, 6591468, 9887202, 19774404]

約数ペア:

[(1, 19774404), (2, 9887202), (3, 6591468), (4, 4943601), (6, 3295734), (9, 2197156), (12, 1647867), (13, 1521108), (18, 1098578), (26, 760554), (29, 681876), (31, 637884), (36, 549289), (39, 507036), (47, 420732), (52, 380277), (58, 340938), (62, 318942), (78, 253518), (87, 227292), (93, 212628), (94, 210366), (116, 170469), (117, 169012), (124, 159471), (141, 140244), (156, 126759), (174, 113646), (186, 106314), (188, 105183), (234, 84506), (261, 75764), (279, 70876), (282, 70122), (348, 56823), (372, 53157), (377, 52452), (403, 49068), (423, 46748), (468, 42253), (522, 37882), (558, 35438), (564, 35061), (611, 32364), (754, 26226), (806, 24534), (846, 23374), (899, 21996), (1044, 18941), (1116, 17719), (1131, 17484), (1209, 16356), (1222, 16182), (1363, 14508), (1457, 13572), (1508, 13113), (1612, 12267), (1692, 11687), (1798, 10998), (1833, 10788), (2262, 8742), (2418, 8178), (2444, 8091), (2697, 7332), (2726, 7254), (2914, 6786), (3393, 5828), (3596, 5499), (3627, 5452), (3666, 5394), (4089, 4836), (4371, 4524)]