18972471960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4053947}}^1$

素因数の和:4053977

約数の個数: 96

約数和(自身を含む): 66403668240

約数和(自身を除く): 47431196280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4053947, 8107894, 12161841, 16215788, 20269735, 24323682, 32431576, 36485523, 40539470, 48647364, 52701311, 60809205, 72971046, 81078940, 97294728, 105402622, 121618410, 145942092, 158103933, 162157880, 182427615, 210805244, 243236820, 263506555, 291884184, 316207866, 364855230, 421610488, 474311799, 486473640, 527013110, 632415732, 729710460, 790519665, 948623598, 1054026220, 1264831464, 1459420920, 1581039330, 1897247196, 2108052440, 2371558995, 3162078660, 3794494392, 4743117990, 6324157320, 9486235980, 18972471960]

約数ペア:

[(1, 18972471960), (2, 9486235980), (3, 6324157320), (4, 4743117990), (5, 3794494392), (6, 3162078660), (8, 2371558995), (9, 2108052440), (10, 1897247196), (12, 1581039330), (13, 1459420920), (15, 1264831464), (18, 1054026220), (20, 948623598), (24, 790519665), (26, 729710460), (30, 632415732), (36, 527013110), (39, 486473640), (40, 474311799), (45, 421610488), (52, 364855230), (60, 316207866), (65, 291884184), (72, 263506555), (78, 243236820), (90, 210805244), (104, 182427615), (117, 162157880), (120, 158103933), (130, 145942092), (156, 121618410), (180, 105402622), (195, 97294728), (234, 81078940), (260, 72971046), (312, 60809205), (360, 52701311), (390, 48647364), (468, 40539470), (520, 36485523), (585, 32431576), (780, 24323682), (936, 20269735), (1170, 16215788), (1560, 12161841), (2340, 8107894), (4680, 4053947)]