19275620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 54295920

約数和(自身を除く): 35020300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 89, 91, 98, 119, 130, 140, 170, 178, 182, 196, 221, 238, 245, 260, 340, 356, 364, 442, 445, 455, 476, 490, 595, 623, 637, 833, 884, 890, 910, 980, 1105, 1157, 1190, 1246, 1274, 1513, 1547, 1666, 1780, 1820, 2210, 2314, 2380, 2492, 2548, 3026, 3094, 3115, 3185, 3332, 4165, 4361, 4420, 4628, 5785, 6052, 6188, 6230, 6370, 7565, 7735, 8099, 8330, 8722, 10591, 10829, 11570, 12460, 12740, 15130, 15470, 16198, 16660, 17444, 19669, 21182, 21658, 21805, 23140, 30260, 30940, 32396, 39338, 40495, 42364, 43316, 43610, 52955, 54145, 56693, 74137, 78676, 80990, 87220, 98345, 105910, 108290, 113386, 137683, 148274, 161980, 196690, 211820, 216580, 226772, 275366, 283465, 296548, 370685, 393380, 550732, 566930, 688415, 741370, 963781, 1133860, 1376830, 1482740, 1927562, 2753660, 3855124, 4818905, 9637810, 19275620]

約数ペア:

[(1, 19275620), (2, 9637810), (4, 4818905), (5, 3855124), (7, 2753660), (10, 1927562), (13, 1482740), (14, 1376830), (17, 1133860), (20, 963781), (26, 741370), (28, 688415), (34, 566930), (35, 550732), (49, 393380), (52, 370685), (65, 296548), (68, 283465), (70, 275366), (85, 226772), (89, 216580), (91, 211820), (98, 196690), (119, 161980), (130, 148274), (140, 137683), (170, 113386), (178, 108290), (182, 105910), (196, 98345), (221, 87220), (238, 80990), (245, 78676), (260, 74137), (340, 56693), (356, 54145), (364, 52955), (442, 43610), (445, 43316), (455, 42364), (476, 40495), (490, 39338), (595, 32396), (623, 30940), (637, 30260), (833, 23140), (884, 21805), (890, 21658), (910, 21182), (980, 19669), (1105, 17444), (1157, 16660), (1190, 16198), (1246, 15470), (1274, 15130), (1513, 12740), (1547, 12460), (1666, 11570), (1780, 10829), (1820, 10591), (2210, 8722), (2314, 8330), (2380, 8099), (2492, 7735), (2548, 7565), (3026, 6370), (3094, 6230), (3115, 6188), (3185, 6052), (3332, 5785), (4165, 4628), (4361, 4420)]