19402899560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{4243}}^1$

素因数の和:4831

約数の個数: 128

約数和(自身を含む): 50235379200

約数和(自身を除く): 30832479640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 547, 760, 836, 1045, 1094, 1672, 2090, 2188, 2735, 4180, 4243, 4376, 5470, 6017, 8360, 8486, 10393, 10940, 12034, 16972, 20786, 21215, 21880, 24068, 30085, 33944, 41572, 42430, 46673, 48136, 51965, 60170, 80617, 83144, 84860, 93346, 103930, 114323, 120340, 161234, 169720, 186692, 207860, 228646, 233365, 240680, 322468, 373384, 403085, 415720, 457292, 466730, 571615, 644936, 806170, 886787, 914584, 933460, 1143230, 1612340, 1773574, 1866920, 2286460, 2320921, 3224680, 3547148, 4433935, 4572920, 4641842, 7094296, 8867870, 9283684, 11604605, 17735740, 18567368, 23209210, 25530131, 35471480, 44097499, 46418420, 51060262, 88194998, 92836840, 102120524, 127650655, 176389996, 204241048, 220487495, 255301310, 352779992, 440974990, 485072489, 510602620, 881949980, 970144978, 1021205240, 1763899960, 1940289956, 2425362445, 3880579912, 4850724890, 9701449780, 19402899560]

約数ペア:

[(1, 19402899560), (2, 9701449780), (4, 4850724890), (5, 3880579912), (8, 2425362445), (10, 1940289956), (11, 1763899960), (19, 1021205240), (20, 970144978), (22, 881949980), (38, 510602620), (40, 485072489), (44, 440974990), (55, 352779992), (76, 255301310), (88, 220487495), (95, 204241048), (110, 176389996), (152, 127650655), (190, 102120524), (209, 92836840), (220, 88194998), (380, 51060262), (418, 46418420), (440, 44097499), (547, 35471480), (760, 25530131), (836, 23209210), (1045, 18567368), (1094, 17735740), (1672, 11604605), (2090, 9283684), (2188, 8867870), (2735, 7094296), (4180, 4641842), (4243, 4572920), (4376, 4433935), (5470, 3547148), (6017, 3224680), (8360, 2320921), (8486, 2286460), (10393, 1866920), (10940, 1773574), (12034, 1612340), (16972, 1143230), (20786, 933460), (21215, 914584), (21880, 886787), (24068, 806170), (30085, 644936), (33944, 571615), (41572, 466730), (42430, 457292), (46673, 415720), (48136, 403085), (51965, 373384), (60170, 322468), (80617, 240680), (83144, 233365), (84860, 228646), (93346, 207860), (103930, 186692), (114323, 169720), (120340, 161234)]