19119555

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 25696125

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 29, 35, 39, 45, 49, 63, 65, 69, 87, 91, 105, 115, 117, 145, 147, 161, 195, 203, 207, 245, 261, 273, 299, 315, 345, 377, 435, 441, 455, 483, 585, 609, 637, 667, 735, 805, 819, 897, 1015, 1035, 1127, 1131, 1305, 1365, 1421, 1449, 1495, 1827, 1885, 1911, 2001, 2093, 2205, 2415, 2639, 2691, 3045, 3185, 3335, 3381, 3393, 4095, 4263, 4485, 4669, 5635, 5655, 5733, 6003, 6279, 7105, 7245, 7917, 8671, 9135, 9555, 10005, 10143, 10465, 12789, 13195, 13455, 14007, 14651, 16905, 16965, 18473, 18837, 21315, 23345, 23751, 26013, 28665, 30015, 31395, 32683, 39585, 42021, 43355, 43953, 50715, 55419, 60697, 63945, 70035, 73255, 78039, 92365, 94185, 98049, 118755, 130065, 131859, 163415, 166257, 182091, 210105, 219765, 277095, 294147, 303485, 390195, 424879, 490245, 546273, 659295, 831285, 910455, 1274637, 1470735, 2124395, 2731365, 3823911, 6373185, 19119555]

約数ペア:

[(1, 19119555), (3, 6373185), (5, 3823911), (7, 2731365), (9, 2124395), (13, 1470735), (15, 1274637), (21, 910455), (23, 831285), (29, 659295), (35, 546273), (39, 490245), (45, 424879), (49, 390195), (63, 303485), (65, 294147), (69, 277095), (87, 219765), (91, 210105), (105, 182091), (115, 166257), (117, 163415), (145, 131859), (147, 130065), (161, 118755), (195, 98049), (203, 94185), (207, 92365), (245, 78039), (261, 73255), (273, 70035), (299, 63945), (315, 60697), (345, 55419), (377, 50715), (435, 43953), (441, 43355), (455, 42021), (483, 39585), (585, 32683), (609, 31395), (637, 30015), (667, 28665), (735, 26013), (805, 23751), (819, 23345), (897, 21315), (1015, 18837), (1035, 18473), (1127, 16965), (1131, 16905), (1305, 14651), (1365, 14007), (1421, 13455), (1449, 13195), (1495, 12789), (1827, 10465), (1885, 10143), (1911, 10005), (2001, 9555), (2093, 9135), (2205, 8671), (2415, 7917), (2639, 7245), (2691, 7105), (3045, 6279), (3185, 6003), (3335, 5733), (3381, 5655), (3393, 5635), (4095, 4669), (4263, 4485)]