19482320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 53916192

約数和(自身を除く): 34433872

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 131, 143, 169, 176, 208, 220, 260, 262, 286, 338, 440, 520, 524, 572, 655, 676, 715, 845, 880, 1040, 1048, 1144, 1310, 1352, 1430, 1441, 1690, 1703, 1859, 2096, 2288, 2620, 2704, 2860, 2882, 3380, 3406, 3718, 5240, 5720, 5764, 6760, 6812, 7205, 7436, 8515, 9295, 10480, 11440, 11528, 13520, 13624, 14410, 14872, 17030, 18590, 18733, 22139, 23056, 27248, 28820, 29744, 34060, 37180, 37466, 44278, 57640, 68120, 74360, 74932, 88556, 93665, 110695, 115280, 136240, 148720, 149864, 177112, 187330, 221390, 243529, 299728, 354224, 374660, 442780, 487058, 749320, 885560, 974116, 1217645, 1498640, 1771120, 1948232, 2435290, 3896464, 4870580, 9741160, 19482320]

約数ペア:

[(1, 19482320), (2, 9741160), (4, 4870580), (5, 3896464), (8, 2435290), (10, 1948232), (11, 1771120), (13, 1498640), (16, 1217645), (20, 974116), (22, 885560), (26, 749320), (40, 487058), (44, 442780), (52, 374660), (55, 354224), (65, 299728), (80, 243529), (88, 221390), (104, 187330), (110, 177112), (130, 149864), (131, 148720), (143, 136240), (169, 115280), (176, 110695), (208, 93665), (220, 88556), (260, 74932), (262, 74360), (286, 68120), (338, 57640), (440, 44278), (520, 37466), (524, 37180), (572, 34060), (655, 29744), (676, 28820), (715, 27248), (845, 23056), (880, 22139), (1040, 18733), (1048, 18590), (1144, 17030), (1310, 14872), (1352, 14410), (1430, 13624), (1441, 13520), (1690, 11528), (1703, 11440), (1859, 10480), (2096, 9295), (2288, 8515), (2620, 7436), (2704, 7205), (2860, 6812), (2882, 6760), (3380, 5764), (3406, 5720), (3718, 5240)]