18403320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 42560520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 251, 260, 282, 312, 376, 390, 470, 502, 520, 564, 611, 705, 753, 780, 940, 1004, 1128, 1222, 1255, 1410, 1506, 1560, 1833, 1880, 2008, 2444, 2510, 2820, 3012, 3055, 3263, 3666, 3765, 4888, 5020, 5640, 6024, 6110, 6526, 7332, 7530, 9165, 9789, 10040, 11797, 12220, 13052, 14664, 15060, 16315, 18330, 19578, 23594, 24440, 26104, 30120, 32630, 35391, 36660, 39156, 47188, 48945, 58985, 65260, 70782, 73320, 78312, 94376, 97890, 117970, 130520, 141564, 153361, 176955, 195780, 235940, 283128, 306722, 353910, 391560, 460083, 471880, 613444, 707820, 766805, 920166, 1226888, 1415640, 1533610, 1840332, 2300415, 3067220, 3680664, 4600830, 6134440, 9201660, 18403320]

約数ペア:

[(1, 18403320), (2, 9201660), (3, 6134440), (4, 4600830), (5, 3680664), (6, 3067220), (8, 2300415), (10, 1840332), (12, 1533610), (13, 1415640), (15, 1226888), (20, 920166), (24, 766805), (26, 707820), (30, 613444), (39, 471880), (40, 460083), (47, 391560), (52, 353910), (60, 306722), (65, 283128), (78, 235940), (94, 195780), (104, 176955), (120, 153361), (130, 141564), (141, 130520), (156, 117970), (188, 97890), (195, 94376), (235, 78312), (251, 73320), (260, 70782), (282, 65260), (312, 58985), (376, 48945), (390, 47188), (470, 39156), (502, 36660), (520, 35391), (564, 32630), (611, 30120), (705, 26104), (753, 24440), (780, 23594), (940, 19578), (1004, 18330), (1128, 16315), (1222, 15060), (1255, 14664), (1410, 13052), (1506, 12220), (1560, 11797), (1833, 10040), (1880, 9789), (2008, 9165), (2444, 7530), (2510, 7332), (2820, 6526), (3012, 6110), (3055, 6024), (3263, 5640), (3666, 5020), (3765, 4888)]