19111300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 45582152

約数和(自身を除く): 26470852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 241, 244, 260, 305, 325, 482, 610, 650, 793, 964, 1205, 1220, 1300, 1525, 1586, 2410, 3050, 3133, 3172, 3965, 4820, 6025, 6100, 6266, 7930, 12050, 12532, 14701, 15665, 15860, 19825, 24100, 29402, 31330, 39650, 58804, 62660, 73505, 78325, 79300, 147010, 156650, 191113, 294020, 313300, 367525, 382226, 735050, 764452, 955565, 1470100, 1911130, 3822260, 4777825, 9555650, 19111300]

約数ペア:

[(1, 19111300), (2, 9555650), (4, 4777825), (5, 3822260), (10, 1911130), (13, 1470100), (20, 955565), (25, 764452), (26, 735050), (50, 382226), (52, 367525), (61, 313300), (65, 294020), (100, 191113), (122, 156650), (130, 147010), (241, 79300), (244, 78325), (260, 73505), (305, 62660), (325, 58804), (482, 39650), (610, 31330), (650, 29402), (793, 24100), (964, 19825), (1205, 15860), (1220, 15665), (1300, 14701), (1525, 12532), (1586, 12050), (2410, 7930), (3050, 6266), (3133, 6100), (3172, 6025), (3965, 4820)]