19822140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 66594528

約数和(自身を除く): 46772388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 197, 215, 234, 258, 260, 387, 390, 394, 430, 468, 516, 559, 585, 591, 645, 774, 780, 788, 860, 985, 1118, 1170, 1182, 1290, 1548, 1677, 1773, 1935, 1970, 2236, 2340, 2364, 2561, 2580, 2795, 2955, 3354, 3546, 3870, 3940, 5031, 5122, 5590, 5910, 6708, 7092, 7683, 7740, 8385, 8471, 8865, 10062, 10244, 11180, 11820, 12805, 15366, 16770, 16942, 17730, 20124, 23049, 25155, 25413, 25610, 30732, 33540, 33884, 35460, 38415, 42355, 46098, 50310, 50826, 51220, 76239, 76830, 84710, 92196, 100620, 101652, 110123, 115245, 127065, 152478, 153660, 169420, 220246, 230490, 254130, 304956, 330369, 381195, 440492, 460980, 508260, 550615, 660738, 762390, 991107, 1101230, 1321476, 1524780, 1651845, 1982214, 2202460, 3303690, 3964428, 4955535, 6607380, 9911070, 19822140]

約数ペア:

[(1, 19822140), (2, 9911070), (3, 6607380), (4, 4955535), (5, 3964428), (6, 3303690), (9, 2202460), (10, 1982214), (12, 1651845), (13, 1524780), (15, 1321476), (18, 1101230), (20, 991107), (26, 762390), (30, 660738), (36, 550615), (39, 508260), (43, 460980), (45, 440492), (52, 381195), (60, 330369), (65, 304956), (78, 254130), (86, 230490), (90, 220246), (117, 169420), (129, 153660), (130, 152478), (156, 127065), (172, 115245), (180, 110123), (195, 101652), (197, 100620), (215, 92196), (234, 84710), (258, 76830), (260, 76239), (387, 51220), (390, 50826), (394, 50310), (430, 46098), (468, 42355), (516, 38415), (559, 35460), (585, 33884), (591, 33540), (645, 30732), (774, 25610), (780, 25413), (788, 25155), (860, 23049), (985, 20124), (1118, 17730), (1170, 16942), (1182, 16770), (1290, 15366), (1548, 12805), (1677, 11820), (1773, 11180), (1935, 10244), (1970, 10062), (2236, 8865), (2340, 8471), (2364, 8385), (2561, 7740), (2580, 7683), (2795, 7092), (2955, 6708), (3354, 5910), (3546, 5590), (3870, 5122), (3940, 5031)]