18849480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 62536320

約数和(自身を除く): 43686840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 281, 312, 344, 390, 430, 516, 520, 559, 562, 645, 780, 843, 860, 1032, 1118, 1124, 1290, 1405, 1560, 1677, 1686, 1720, 2236, 2248, 2580, 2795, 2810, 3354, 3372, 3653, 4215, 4472, 5160, 5590, 5620, 6708, 6744, 7306, 8385, 8430, 10959, 11180, 11240, 12083, 13416, 14612, 16770, 16860, 18265, 21918, 22360, 24166, 29224, 33540, 33720, 36249, 36530, 43836, 48332, 54795, 60415, 67080, 72498, 73060, 87672, 96664, 109590, 120830, 144996, 146120, 157079, 181245, 219180, 241660, 289992, 314158, 362490, 438360, 471237, 483320, 628316, 724980, 785395, 942474, 1256632, 1449960, 1570790, 1884948, 2356185, 3141580, 3769896, 4712370, 6283160, 9424740, 18849480]

約数ペア:

[(1, 18849480), (2, 9424740), (3, 6283160), (4, 4712370), (5, 3769896), (6, 3141580), (8, 2356185), (10, 1884948), (12, 1570790), (13, 1449960), (15, 1256632), (20, 942474), (24, 785395), (26, 724980), (30, 628316), (39, 483320), (40, 471237), (43, 438360), (52, 362490), (60, 314158), (65, 289992), (78, 241660), (86, 219180), (104, 181245), (120, 157079), (129, 146120), (130, 144996), (156, 120830), (172, 109590), (195, 96664), (215, 87672), (258, 73060), (260, 72498), (281, 67080), (312, 60415), (344, 54795), (390, 48332), (430, 43836), (516, 36530), (520, 36249), (559, 33720), (562, 33540), (645, 29224), (780, 24166), (843, 22360), (860, 21918), (1032, 18265), (1118, 16860), (1124, 16770), (1290, 14612), (1405, 13416), (1560, 12083), (1677, 11240), (1686, 11180), (1720, 10959), (2236, 8430), (2248, 8385), (2580, 7306), (2795, 6744), (2810, 6708), (3354, 5620), (3372, 5590), (3653, 5160), (4215, 4472)]