19778430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4957}}^1$

素因数の和:4993

約数の個数: 64

約数和(自身を含む): 57116160

約数和(自身を除く): 37337730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4957, 9914, 14871, 24785, 29742, 34699, 49570, 69398, 74355, 94183, 104097, 148710, 173495, 188366, 208194, 282549, 346990, 470915, 520485, 565098, 659281, 941830, 1040970, 1318562, 1412745, 1977843, 2825490, 3296405, 3955686, 6592810, 9889215, 19778430]

約数ペア:

[(1, 19778430), (2, 9889215), (3, 6592810), (5, 3955686), (6, 3296405), (7, 2825490), (10, 1977843), (14, 1412745), (15, 1318562), (19, 1040970), (21, 941830), (30, 659281), (35, 565098), (38, 520485), (42, 470915), (57, 346990), (70, 282549), (95, 208194), (105, 188366), (114, 173495), (133, 148710), (190, 104097), (210, 94183), (266, 74355), (285, 69398), (399, 49570), (570, 34699), (665, 29742), (798, 24785), (1330, 14871), (1995, 9914), (3990, 4957)]