18915090558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{62873}}^1$

素因数の和:62946

約数の個数: 128

約数和(自身を含む): 50701593600

約数和(自身を除く): 31786503042

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 29, 38, 39, 42, 57, 58, 78, 87, 91, 114, 133, 174, 182, 203, 247, 266, 273, 377, 399, 406, 494, 546, 551, 609, 741, 754, 798, 1102, 1131, 1218, 1482, 1653, 1729, 2262, 2639, 3306, 3458, 3857, 5187, 5278, 7163, 7714, 7917, 10374, 11571, 14326, 15834, 21489, 23142, 42978, 50141, 62873, 100282, 125746, 150423, 188619, 300846, 377238, 440111, 817349, 880222, 1194587, 1320333, 1634698, 1823317, 2389174, 2452047, 2640666, 3583761, 3646634, 4904094, 5469951, 5721443, 7167522, 8362109, 10939902, 11442886, 12763219, 15529631, 16724218, 17164329, 23703121, 25086327, 25526438, 31059262, 34328658, 34643023, 38289657, 46588893, 47406242, 50172654, 69286046, 71109363, 76579314, 93177786, 103929069, 108707417, 142218726, 165921847, 207858138, 217414834, 242501161, 326122251, 331843694, 450359299, 485002322, 497765541, 652244502, 727503483, 900718598, 995531082, 1351077897, 1455006966, 2702155794, 3152515093, 6305030186, 9457545279, 18915090558]

約数ペア:

[(1, 18915090558), (2, 9457545279), (3, 6305030186), (6, 3152515093), (7, 2702155794), (13, 1455006966), (14, 1351077897), (19, 995531082), (21, 900718598), (26, 727503483), (29, 652244502), (38, 497765541), (39, 485002322), (42, 450359299), (57, 331843694), (58, 326122251), (78, 242501161), (87, 217414834), (91, 207858138), (114, 165921847), (133, 142218726), (174, 108707417), (182, 103929069), (203, 93177786), (247, 76579314), (266, 71109363), (273, 69286046), (377, 50172654), (399, 47406242), (406, 46588893), (494, 38289657), (546, 34643023), (551, 34328658), (609, 31059262), (741, 25526438), (754, 25086327), (798, 23703121), (1102, 17164329), (1131, 16724218), (1218, 15529631), (1482, 12763219), (1653, 11442886), (1729, 10939902), (2262, 8362109), (2639, 7167522), (3306, 5721443), (3458, 5469951), (3857, 4904094), (5187, 3646634), (5278, 3583761), (7163, 2640666), (7714, 2452047), (7917, 2389174), (10374, 1823317), (11571, 1634698), (14326, 1320333), (15834, 1194587), (21489, 880222), (23142, 817349), (42978, 440111), (50141, 377238), (62873, 300846), (100282, 188619), (125746, 150423)]