19121792

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 40473600

約数和(自身を除く): 21351808

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 79, 122, 124, 128, 158, 244, 248, 316, 488, 496, 632, 976, 992, 1264, 1891, 1952, 1984, 2449, 2528, 3782, 3904, 3968, 4819, 4898, 5056, 7564, 7808, 9638, 9796, 10112, 15128, 19276, 19592, 30256, 38552, 39184, 60512, 77104, 78368, 121024, 149389, 154208, 156736, 242048, 298778, 308416, 313472, 597556, 616832, 1195112, 2390224, 4780448, 9560896, 19121792]

約数ペア:

[(1, 19121792), (2, 9560896), (4, 4780448), (8, 2390224), (16, 1195112), (31, 616832), (32, 597556), (61, 313472), (62, 308416), (64, 298778), (79, 242048), (122, 156736), (124, 154208), (128, 149389), (158, 121024), (244, 78368), (248, 77104), (316, 60512), (488, 39184), (496, 38552), (632, 30256), (976, 19592), (992, 19276), (1264, 15128), (1891, 10112), (1952, 9796), (1984, 9638), (2449, 7808), (2528, 7564), (3782, 5056), (3904, 4898), (3968, 4819)]