19665456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{21563}}^1$

素因数の和:21593

約数の個数: 40

約数和(自身を含む): 53478720

約数和(自身を除く): 33813264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 21563, 43126, 64689, 86252, 129378, 172504, 258756, 345008, 409697, 517512, 819394, 1035024, 1229091, 1638788, 2458182, 3277576, 4916364, 6555152, 9832728, 19665456]

約数ペア:

[(1, 19665456), (2, 9832728), (3, 6555152), (4, 4916364), (6, 3277576), (8, 2458182), (12, 1638788), (16, 1229091), (19, 1035024), (24, 819394), (38, 517512), (48, 409697), (57, 345008), (76, 258756), (114, 172504), (152, 129378), (228, 86252), (304, 64689), (456, 43126), (912, 21563)]