19147648

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 42325920

約数和(自身を除く): 23178272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 296, 311, 416, 481, 592, 622, 832, 962, 1184, 1244, 1664, 1924, 2368, 2488, 3848, 4043, 4736, 4976, 7696, 8086, 9952, 11507, 15392, 16172, 19904, 23014, 30784, 32344, 39808, 46028, 61568, 64688, 92056, 129376, 149591, 184112, 258752, 299182, 368224, 517504, 598364, 736448, 1196728, 1472896, 2393456, 4786912, 9573824, 19147648]

約数ペア:

[(1, 19147648), (2, 9573824), (4, 4786912), (8, 2393456), (13, 1472896), (16, 1196728), (26, 736448), (32, 598364), (37, 517504), (52, 368224), (64, 299182), (74, 258752), (104, 184112), (128, 149591), (148, 129376), (208, 92056), (296, 64688), (311, 61568), (416, 46028), (481, 39808), (592, 32344), (622, 30784), (832, 23014), (962, 19904), (1184, 16172), (1244, 15392), (1664, 11507), (1924, 9952), (2368, 8086), (2488, 7696), (3848, 4976), (4043, 4736)]