17981751952

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{1117}}^1$

素因数の和:1616

約数の個数: 80

約数和(自身を含む): 36412526592

約数和(自身を除く): 18430774640

約数列:

[1, 2, 4, 8, 16, 37, 71, 74, 142, 148, 284, 296, 383, 568, 592, 766, 1117, 1136, 1532, 2234, 2627, 3064, 4468, 5254, 6128, 8936, 10508, 14171, 17872, 21016, 27193, 28342, 41329, 42032, 54386, 56684, 79307, 82658, 108772, 113368, 158614, 165316, 217544, 226736, 317228, 330632, 427811, 435088, 634456, 661264, 855622, 1006141, 1268912, 1711244, 2012282, 2934359, 3422488, 4024564, 5868718, 6844976, 8049128, 11737436, 15829007, 16098256, 23474872, 30374581, 31658014, 46949744, 60749162, 63316028, 121498324, 126632056, 242996648, 253264112, 485993296, 1123859497, 2247718994, 4495437988, 8990875976, 17981751952]

約数ペア:

[(1, 17981751952), (2, 8990875976), (4, 4495437988), (8, 2247718994), (16, 1123859497), (37, 485993296), (71, 253264112), (74, 242996648), (142, 126632056), (148, 121498324), (284, 63316028), (296, 60749162), (383, 46949744), (568, 31658014), (592, 30374581), (766, 23474872), (1117, 16098256), (1136, 15829007), (1532, 11737436), (2234, 8049128), (2627, 6844976), (3064, 5868718), (4468, 4024564), (5254, 3422488), (6128, 2934359), (8936, 2012282), (10508, 1711244), (14171, 1268912), (17872, 1006141), (21016, 855622), (27193, 661264), (28342, 634456), (41329, 435088), (42032, 427811), (54386, 330632), (56684, 317228), (79307, 226736), (82658, 217544), (108772, 165316), (113368, 158614)]