18952220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 28104244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 233, 245, 332, 415, 466, 490, 581, 830, 932, 980, 1162, 1165, 1631, 1660, 2324, 2330, 2905, 3262, 4067, 4660, 5810, 6524, 8134, 8155, 11417, 11620, 16268, 16310, 19339, 20335, 22834, 32620, 38678, 40670, 45668, 57085, 77356, 81340, 96695, 114170, 135373, 193390, 228340, 270746, 386780, 541492, 676865, 947611, 1353730, 1895222, 2707460, 3790444, 4738055, 9476110, 18952220]

約数ペア:

[(1, 18952220), (2, 9476110), (4, 4738055), (5, 3790444), (7, 2707460), (10, 1895222), (14, 1353730), (20, 947611), (28, 676865), (35, 541492), (49, 386780), (70, 270746), (83, 228340), (98, 193390), (140, 135373), (166, 114170), (196, 96695), (233, 81340), (245, 77356), (332, 57085), (415, 45668), (466, 40670), (490, 38678), (581, 32620), (830, 22834), (932, 20335), (980, 19339), (1162, 16310), (1165, 16268), (1631, 11620), (1660, 11417), (2324, 8155), (2330, 8134), (2905, 6524), (3262, 5810), (4067, 4660)]