19156636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 37416960

約数和(自身を除く): 18260324

約数列:

[1, 2, 4, 19, 31, 38, 47, 62, 76, 94, 124, 173, 188, 346, 589, 692, 893, 1178, 1457, 1786, 2356, 2914, 3287, 3572, 5363, 5828, 6574, 8131, 10726, 13148, 16262, 21452, 27683, 32524, 55366, 101897, 110732, 154489, 203794, 252061, 308978, 407588, 504122, 617956, 1008244, 4789159, 9578318, 19156636]

約数ペア:

[(1, 19156636), (2, 9578318), (4, 4789159), (19, 1008244), (31, 617956), (38, 504122), (47, 407588), (62, 308978), (76, 252061), (94, 203794), (124, 154489), (173, 110732), (188, 101897), (346, 55366), (589, 32524), (692, 27683), (893, 21452), (1178, 16262), (1457, 13148), (1786, 10726), (2356, 8131), (2914, 6574), (3287, 5828), (3572, 5363)]