19602180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8377}}^1$

素因数の和:8405

約数の個数: 72

約数和(自身を含む): 64041432

約数和(自身を除く): 44439252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8377, 16754, 25131, 33508, 41885, 50262, 75393, 83770, 100524, 108901, 125655, 150786, 167540, 217802, 251310, 301572, 326703, 376965, 435604, 502620, 544505, 653406, 753930, 980109, 1089010, 1306812, 1507860, 1633515, 1960218, 2178020, 3267030, 3920436, 4900545, 6534060, 9801090, 19602180]

約数ペア:

[(1, 19602180), (2, 9801090), (3, 6534060), (4, 4900545), (5, 3920436), (6, 3267030), (9, 2178020), (10, 1960218), (12, 1633515), (13, 1507860), (15, 1306812), (18, 1089010), (20, 980109), (26, 753930), (30, 653406), (36, 544505), (39, 502620), (45, 435604), (52, 376965), (60, 326703), (65, 301572), (78, 251310), (90, 217802), (117, 167540), (130, 150786), (156, 125655), (180, 108901), (195, 100524), (234, 83770), (260, 75393), (390, 50262), (468, 41885), (585, 33508), (780, 25131), (1170, 16754), (2340, 8377)]