19535516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 50676192

約数和(自身を除く): 31140676

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 41, 44, 49, 52, 68, 77, 82, 91, 98, 119, 143, 154, 164, 182, 187, 196, 221, 238, 286, 287, 308, 364, 374, 442, 451, 476, 533, 539, 572, 574, 637, 697, 748, 833, 884, 902, 1001, 1066, 1078, 1148, 1274, 1309, 1394, 1547, 1666, 1804, 2002, 2009, 2132, 2156, 2431, 2548, 2618, 2788, 3094, 3157, 3332, 3731, 4004, 4018, 4862, 4879, 5236, 5863, 6188, 6314, 7007, 7462, 7667, 8036, 9061, 9163, 9724, 9758, 10829, 11726, 12628, 14014, 14924, 15334, 17017, 18122, 18326, 19516, 21658, 22099, 23452, 26117, 28028, 30668, 34034, 34153, 36244, 36652, 41041, 43316, 44198, 52234, 53669, 63427, 68068, 68306, 82082, 88396, 99671, 104468, 107338, 119119, 126854, 136612, 164164, 199342, 214676, 238238, 253708, 287287, 375683, 398684, 443989, 476476, 574574, 697697, 751366, 887978, 1149148, 1395394, 1502732, 1775956, 2790788, 4883879, 9767758, 19535516]

約数ペア:

[(1, 19535516), (2, 9767758), (4, 4883879), (7, 2790788), (11, 1775956), (13, 1502732), (14, 1395394), (17, 1149148), (22, 887978), (26, 751366), (28, 697697), (34, 574574), (41, 476476), (44, 443989), (49, 398684), (52, 375683), (68, 287287), (77, 253708), (82, 238238), (91, 214676), (98, 199342), (119, 164164), (143, 136612), (154, 126854), (164, 119119), (182, 107338), (187, 104468), (196, 99671), (221, 88396), (238, 82082), (286, 68306), (287, 68068), (308, 63427), (364, 53669), (374, 52234), (442, 44198), (451, 43316), (476, 41041), (533, 36652), (539, 36244), (572, 34153), (574, 34034), (637, 30668), (697, 28028), (748, 26117), (833, 23452), (884, 22099), (902, 21658), (1001, 19516), (1066, 18326), (1078, 18122), (1148, 17017), (1274, 15334), (1309, 14924), (1394, 14014), (1547, 12628), (1666, 11726), (1804, 10829), (2002, 9758), (2009, 9724), (2132, 9163), (2156, 9061), (2431, 8036), (2548, 7667), (2618, 7462), (2788, 7007), (3094, 6314), (3157, 6188), (3332, 5863), (3731, 5236), (4004, 4879), (4018, 4862)]