19282120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3371}}^1$

素因数の和:3406

約数の個数: 64

約数和(自身を含む): 50984640

約数和(自身を除く): 31702520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3371, 5720, 6742, 13484, 16855, 26968, 33710, 37081, 43823, 67420, 74162, 87646, 134840, 148324, 175292, 185405, 219115, 296648, 350584, 370810, 438230, 482053, 741620, 876460, 964106, 1483240, 1752920, 1928212, 2410265, 3856424, 4820530, 9641060, 19282120]

約数ペア:

[(1, 19282120), (2, 9641060), (4, 4820530), (5, 3856424), (8, 2410265), (10, 1928212), (11, 1752920), (13, 1483240), (20, 964106), (22, 876460), (26, 741620), (40, 482053), (44, 438230), (52, 370810), (55, 350584), (65, 296648), (88, 219115), (104, 185405), (110, 175292), (130, 148324), (143, 134840), (220, 87646), (260, 74162), (286, 67420), (440, 43823), (520, 37081), (572, 33710), (715, 26968), (1144, 16855), (1430, 13484), (2860, 6742), (3371, 5720)]