20180989944

素因数分解:

$2^3\times 3^4\times {\mathrm{89}}^1\times {\mathrm{349927}}^1$

素因数の和:350034

約数の個数: 80

約数和(自身を含む): 57160738800

約数和(自身を除く): 36979748856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 89, 108, 162, 178, 216, 267, 324, 356, 534, 648, 712, 801, 1068, 1602, 2136, 2403, 3204, 4806, 6408, 7209, 9612, 14418, 19224, 28836, 57672, 349927, 699854, 1049781, 1399708, 2099562, 2799416, 3149343, 4199124, 6298686, 8398248, 9448029, 12597372, 18896058, 25194744, 28344087, 31143503, 37792116, 56688174, 62287006, 75584232, 93430509, 113376348, 124574012, 186861018, 226752696, 249148024, 280291527, 373722036, 560583054, 747444072, 840874581, 1121166108, 1681749162, 2242332216, 2522623743, 3363498324, 5045247486, 6726996648, 10090494972, 20180989944]

約数ペア:

[(1, 20180989944), (2, 10090494972), (3, 6726996648), (4, 5045247486), (6, 3363498324), (8, 2522623743), (9, 2242332216), (12, 1681749162), (18, 1121166108), (24, 840874581), (27, 747444072), (36, 560583054), (54, 373722036), (72, 280291527), (81, 249148024), (89, 226752696), (108, 186861018), (162, 124574012), (178, 113376348), (216, 93430509), (267, 75584232), (324, 62287006), (356, 56688174), (534, 37792116), (648, 31143503), (712, 28344087), (801, 25194744), (1068, 18896058), (1602, 12597372), (2136, 9448029), (2403, 8398248), (3204, 6298686), (4806, 4199124), (6408, 3149343), (7209, 2799416), (9612, 2099562), (14418, 1399708), (19224, 1049781), (28836, 699854), (57672, 349927)]