19748988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 59243520

約数和(自身を除く): 39494532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 151, 173, 189, 252, 302, 346, 378, 453, 519, 604, 692, 756, 906, 1038, 1057, 1211, 1359, 1557, 1812, 2076, 2114, 2422, 2718, 3114, 3171, 3633, 4077, 4228, 4671, 4844, 5436, 6228, 6342, 7266, 8154, 9342, 9513, 10899, 12684, 14532, 16308, 18684, 19026, 21798, 26123, 28539, 32697, 38052, 43596, 52246, 57078, 65394, 78369, 104492, 114156, 130788, 156738, 182861, 235107, 313476, 365722, 470214, 548583, 705321, 731444, 940428, 1097166, 1410642, 1645749, 2194332, 2821284, 3291498, 4937247, 6582996, 9874494, 19748988]

約数ペア:

[(1, 19748988), (2, 9874494), (3, 6582996), (4, 4937247), (6, 3291498), (7, 2821284), (9, 2194332), (12, 1645749), (14, 1410642), (18, 1097166), (21, 940428), (27, 731444), (28, 705321), (36, 548583), (42, 470214), (54, 365722), (63, 313476), (84, 235107), (108, 182861), (126, 156738), (151, 130788), (173, 114156), (189, 104492), (252, 78369), (302, 65394), (346, 57078), (378, 52246), (453, 43596), (519, 38052), (604, 32697), (692, 28539), (756, 26123), (906, 21798), (1038, 19026), (1057, 18684), (1211, 16308), (1359, 14532), (1557, 12684), (1812, 10899), (2076, 9513), (2114, 9342), (2422, 8154), (2718, 7266), (3114, 6342), (3171, 6228), (3633, 5436), (4077, 4844), (4228, 4671)]