19043145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 39896064

約数和(自身を除く): 20852919

約数列:

[1, 3, 5, 9, 11, 15, 17, 31, 33, 45, 51, 55, 73, 85, 93, 99, 153, 155, 165, 187, 219, 255, 279, 341, 365, 465, 495, 527, 561, 657, 765, 803, 935, 1023, 1095, 1241, 1395, 1581, 1683, 1705, 2263, 2409, 2635, 2805, 3069, 3285, 3723, 4015, 4743, 5115, 5797, 6205, 6789, 7227, 7905, 8415, 11169, 11315, 12045, 13651, 15345, 17391, 18615, 20367, 23715, 24893, 28985, 33945, 36135, 38471, 40953, 52173, 55845, 68255, 74679, 86955, 101835, 115413, 122859, 124465, 192355, 204765, 224037, 260865, 346239, 373395, 423181, 577065, 614295, 1120185, 1269543, 1731195, 2115905, 3808629, 6347715, 19043145]

約数ペア:

[(1, 19043145), (3, 6347715), (5, 3808629), (9, 2115905), (11, 1731195), (15, 1269543), (17, 1120185), (31, 614295), (33, 577065), (45, 423181), (51, 373395), (55, 346239), (73, 260865), (85, 224037), (93, 204765), (99, 192355), (153, 124465), (155, 122859), (165, 115413), (187, 101835), (219, 86955), (255, 74679), (279, 68255), (341, 55845), (365, 52173), (465, 40953), (495, 38471), (527, 36135), (561, 33945), (657, 28985), (765, 24893), (803, 23715), (935, 20367), (1023, 18615), (1095, 17391), (1241, 15345), (1395, 13651), (1581, 12045), (1683, 11315), (1705, 11169), (2263, 8415), (2409, 7905), (2635, 7227), (2805, 6789), (3069, 6205), (3285, 5797), (3723, 5115), (4015, 4743)]