20181555117

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{53861}}^1$

素因数の和:53994

約数の個数: 48

約数和(自身を含む): 32265492480

約数和(自身を除く): 12083937363

約数列:

[1, 3, 9, 17, 31, 51, 79, 93, 153, 237, 279, 527, 711, 1343, 1581, 2449, 4029, 4743, 7347, 12087, 22041, 41633, 53861, 124899, 161583, 374697, 484749, 915637, 1669691, 2746911, 4255019, 5009073, 8240733, 12765057, 15027219, 28384747, 38295171, 72335323, 85154241, 131905589, 217005969, 255462723, 395716767, 651017907, 1187150301, 2242395013, 6727185039, 20181555117]

約数ペア:

[(1, 20181555117), (3, 6727185039), (9, 2242395013), (17, 1187150301), (31, 651017907), (51, 395716767), (79, 255462723), (93, 217005969), (153, 131905589), (237, 85154241), (279, 72335323), (527, 38295171), (711, 28384747), (1343, 15027219), (1581, 12765057), (2449, 8240733), (4029, 5009073), (4743, 4255019), (7347, 2746911), (12087, 1669691), (22041, 915637), (41633, 484749), (53861, 374697), (124899, 161583)]