19408513984

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{431377}}^1$

素因数の和:431445

約数の個数: 56

約数和(自身を含む): 41636604560

約数和(自身を除く): 22228090576

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 148, 152, 296, 304, 592, 608, 703, 1184, 1216, 1406, 2368, 2812, 5624, 11248, 22496, 44992, 431377, 862754, 1725508, 3451016, 6902032, 8196163, 13804064, 15960949, 16392326, 27608128, 31921898, 32784652, 63843796, 65569304, 127687592, 131138608, 255375184, 262277216, 303258031, 510750368, 524554432, 606516062, 1021500736, 1213032124, 2426064248, 4852128496, 9704256992, 19408513984]

約数ペア:

[(1, 19408513984), (2, 9704256992), (4, 4852128496), (8, 2426064248), (16, 1213032124), (19, 1021500736), (32, 606516062), (37, 524554432), (38, 510750368), (64, 303258031), (74, 262277216), (76, 255375184), (148, 131138608), (152, 127687592), (296, 65569304), (304, 63843796), (592, 32784652), (608, 31921898), (703, 27608128), (1184, 16392326), (1216, 15960949), (1406, 13804064), (2368, 8196163), (2812, 6902032), (5624, 3451016), (11248, 1725508), (22496, 862754), (44992, 431377)]