19312440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 67253760

約数和(自身を除く): 47941320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 277, 280, 332, 415, 420, 498, 554, 581, 664, 830, 831, 840, 996, 1108, 1162, 1245, 1385, 1660, 1662, 1743, 1939, 1992, 2216, 2324, 2490, 2770, 2905, 3320, 3324, 3486, 3878, 4155, 4648, 4980, 5540, 5810, 5817, 6648, 6972, 7756, 8310, 8715, 9695, 9960, 11080, 11620, 11634, 13944, 15512, 16620, 17430, 19390, 22991, 23240, 23268, 29085, 33240, 34860, 38780, 45982, 46536, 58170, 68973, 69720, 77560, 91964, 114955, 116340, 137946, 160937, 183928, 229910, 232680, 275892, 321874, 344865, 459820, 482811, 551784, 643748, 689730, 804685, 919640, 965622, 1287496, 1379460, 1609370, 1931244, 2414055, 2758920, 3218740, 3862488, 4828110, 6437480, 9656220, 19312440]

約数ペア:

[(1, 19312440), (2, 9656220), (3, 6437480), (4, 4828110), (5, 3862488), (6, 3218740), (7, 2758920), (8, 2414055), (10, 1931244), (12, 1609370), (14, 1379460), (15, 1287496), (20, 965622), (21, 919640), (24, 804685), (28, 689730), (30, 643748), (35, 551784), (40, 482811), (42, 459820), (56, 344865), (60, 321874), (70, 275892), (83, 232680), (84, 229910), (105, 183928), (120, 160937), (140, 137946), (166, 116340), (168, 114955), (210, 91964), (249, 77560), (277, 69720), (280, 68973), (332, 58170), (415, 46536), (420, 45982), (498, 38780), (554, 34860), (581, 33240), (664, 29085), (830, 23268), (831, 23240), (840, 22991), (996, 19390), (1108, 17430), (1162, 16620), (1245, 15512), (1385, 13944), (1660, 11634), (1662, 11620), (1743, 11080), (1939, 9960), (1992, 9695), (2216, 8715), (2324, 8310), (2490, 7756), (2770, 6972), (2905, 6648), (3320, 5817), (3324, 5810), (3486, 5540), (3878, 4980), (4155, 4648)]