19478580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2683}}^1$

素因数の和:2717

約数の個数: 72

約数和(自身を含む): 59971296

約数和(自身を除く): 40492716

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2683, 3630, 5366, 7260, 8049, 10732, 13415, 16098, 26830, 29513, 32196, 40245, 53660, 59026, 80490, 88539, 118052, 147565, 160980, 177078, 295130, 324643, 354156, 442695, 590260, 649286, 885390, 973929, 1298572, 1623215, 1770780, 1947858, 3246430, 3895716, 4869645, 6492860, 9739290, 19478580]

約数ペア:

[(1, 19478580), (2, 9739290), (3, 6492860), (4, 4869645), (5, 3895716), (6, 3246430), (10, 1947858), (11, 1770780), (12, 1623215), (15, 1298572), (20, 973929), (22, 885390), (30, 649286), (33, 590260), (44, 442695), (55, 354156), (60, 324643), (66, 295130), (110, 177078), (121, 160980), (132, 147565), (165, 118052), (220, 88539), (242, 80490), (330, 59026), (363, 53660), (484, 40245), (605, 32196), (660, 29513), (726, 26830), (1210, 16098), (1452, 13415), (1815, 10732), (2420, 8049), (2683, 7260), (3630, 5366)]