18922428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 108

約数和(自身を含む): 59007312

約数和(自身を除く): 40084884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 631, 714, 833, 882, 1071, 1262, 1428, 1666, 1764, 1893, 2142, 2499, 2524, 3332, 3786, 4284, 4417, 4998, 5679, 7497, 7572, 8834, 9996, 10727, 11358, 13251, 14994, 17668, 21454, 22716, 26502, 29988, 30919, 32181, 39753, 42908, 53004, 61838, 64362, 75089, 79506, 92757, 96543, 123676, 128724, 150178, 159012, 185514, 193086, 225267, 278271, 300356, 371028, 386172, 450534, 525623, 556542, 675801, 901068, 1051246, 1113084, 1351602, 1576869, 2102492, 2703204, 3153738, 4730607, 6307476, 9461214, 18922428]

約数ペア:

[(1, 18922428), (2, 9461214), (3, 6307476), (4, 4730607), (6, 3153738), (7, 2703204), (9, 2102492), (12, 1576869), (14, 1351602), (17, 1113084), (18, 1051246), (21, 901068), (28, 675801), (34, 556542), (36, 525623), (42, 450534), (49, 386172), (51, 371028), (63, 300356), (68, 278271), (84, 225267), (98, 193086), (102, 185514), (119, 159012), (126, 150178), (147, 128724), (153, 123676), (196, 96543), (204, 92757), (238, 79506), (252, 75089), (294, 64362), (306, 61838), (357, 53004), (441, 42908), (476, 39753), (588, 32181), (612, 30919), (631, 29988), (714, 26502), (833, 22716), (882, 21454), (1071, 17668), (1262, 14994), (1428, 13251), (1666, 11358), (1764, 10727), (1893, 9996), (2142, 8834), (2499, 7572), (2524, 7497), (3332, 5679), (3786, 4998), (4284, 4417)]