19409312

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 42933996

約数和(自身を除く): 23524684

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 97, 104, 148, 169, 194, 208, 296, 338, 388, 416, 481, 592, 676, 776, 962, 1184, 1261, 1352, 1552, 1924, 2522, 2704, 3104, 3589, 3848, 5044, 5408, 6253, 7178, 7696, 10088, 12506, 14356, 15392, 16393, 20176, 25012, 28712, 32786, 40352, 46657, 50024, 57424, 65572, 93314, 100048, 114848, 131144, 186628, 200096, 262288, 373256, 524576, 606541, 746512, 1213082, 1493024, 2426164, 4852328, 9704656, 19409312]

約数ペア:

[(1, 19409312), (2, 9704656), (4, 4852328), (8, 2426164), (13, 1493024), (16, 1213082), (26, 746512), (32, 606541), (37, 524576), (52, 373256), (74, 262288), (97, 200096), (104, 186628), (148, 131144), (169, 114848), (194, 100048), (208, 93314), (296, 65572), (338, 57424), (388, 50024), (416, 46657), (481, 40352), (592, 32786), (676, 28712), (776, 25012), (962, 20176), (1184, 16393), (1261, 15392), (1352, 14356), (1552, 12506), (1924, 10088), (2522, 7696), (2704, 7178), (3104, 6253), (3589, 5408), (3848, 5044)]