19919550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 57567744

約数和(自身を除く): 37648194

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 61, 70, 75, 105, 122, 150, 175, 183, 210, 305, 311, 350, 366, 427, 525, 610, 622, 854, 915, 933, 1050, 1281, 1525, 1555, 1830, 1866, 2135, 2177, 2562, 3050, 3110, 4270, 4354, 4575, 4665, 6405, 6531, 7775, 9150, 9330, 10675, 10885, 12810, 13062, 15550, 18971, 21350, 21770, 23325, 32025, 32655, 37942, 46650, 54425, 56913, 64050, 65310, 94855, 108850, 113826, 132797, 163275, 189710, 265594, 284565, 326550, 398391, 474275, 569130, 663985, 796782, 948550, 1327970, 1422825, 1991955, 2845650, 3319925, 3983910, 6639850, 9959775, 19919550]

約数ペア:

[(1, 19919550), (2, 9959775), (3, 6639850), (5, 3983910), (6, 3319925), (7, 2845650), (10, 1991955), (14, 1422825), (15, 1327970), (21, 948550), (25, 796782), (30, 663985), (35, 569130), (42, 474275), (50, 398391), (61, 326550), (70, 284565), (75, 265594), (105, 189710), (122, 163275), (150, 132797), (175, 113826), (183, 108850), (210, 94855), (305, 65310), (311, 64050), (350, 56913), (366, 54425), (427, 46650), (525, 37942), (610, 32655), (622, 32025), (854, 23325), (915, 21770), (933, 21350), (1050, 18971), (1281, 15550), (1525, 13062), (1555, 12810), (1830, 10885), (1866, 10675), (2135, 9330), (2177, 9150), (2562, 7775), (3050, 6531), (3110, 6405), (4270, 4665), (4354, 4575)]