18025020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7703}}^1$

素因数の和:7731

約数の個数: 72

約数和(自身を含む): 58889376

約数和(自身を除く): 40864356

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, 7703, 15406, 23109, 30812, 38515, 46218, 69327, 77030, 92436, 100139, 115545, 138654, 154060, 200278, 231090, 277308, 300417, 346635, 400556, 462180, 500695, 600834, 693270, 901251, 1001390, 1201668, 1386540, 1502085, 1802502, 2002780, 3004170, 3605004, 4506255, 6008340, 9012510, 18025020]

約数ペア:

[(1, 18025020), (2, 9012510), (3, 6008340), (4, 4506255), (5, 3605004), (6, 3004170), (9, 2002780), (10, 1802502), (12, 1502085), (13, 1386540), (15, 1201668), (18, 1001390), (20, 901251), (26, 693270), (30, 600834), (36, 500695), (39, 462180), (45, 400556), (52, 346635), (60, 300417), (65, 277308), (78, 231090), (90, 200278), (117, 154060), (130, 138654), (156, 115545), (180, 100139), (195, 92436), (234, 77030), (260, 69327), (390, 46218), (468, 38515), (585, 30812), (780, 23109), (1170, 15406), (2340, 7703)]