18168850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 42068736

約数和(自身を除く): 23899886

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 37, 46, 50, 61, 70, 74, 115, 122, 161, 175, 185, 230, 259, 305, 322, 350, 370, 427, 518, 575, 610, 805, 851, 854, 925, 1150, 1295, 1403, 1525, 1610, 1702, 1850, 2135, 2257, 2590, 2806, 3050, 4025, 4255, 4270, 4514, 5957, 6475, 7015, 8050, 8510, 9821, 10675, 11285, 11914, 12950, 14030, 15799, 19642, 21275, 21350, 22570, 29785, 31598, 35075, 42550, 49105, 51911, 56425, 59570, 70150, 78995, 98210, 103822, 112850, 148925, 157990, 245525, 259555, 297850, 363377, 394975, 491050, 519110, 726754, 789950, 1297775, 1816885, 2595550, 3633770, 9084425, 18168850]

約数ペア:

[(1, 18168850), (2, 9084425), (5, 3633770), (7, 2595550), (10, 1816885), (14, 1297775), (23, 789950), (25, 726754), (35, 519110), (37, 491050), (46, 394975), (50, 363377), (61, 297850), (70, 259555), (74, 245525), (115, 157990), (122, 148925), (161, 112850), (175, 103822), (185, 98210), (230, 78995), (259, 70150), (305, 59570), (322, 56425), (350, 51911), (370, 49105), (427, 42550), (518, 35075), (575, 31598), (610, 29785), (805, 22570), (851, 21350), (854, 21275), (925, 19642), (1150, 15799), (1295, 14030), (1403, 12950), (1525, 11914), (1610, 11285), (1702, 10675), (1850, 9821), (2135, 8510), (2257, 8050), (2590, 7015), (2806, 6475), (3050, 5957), (4025, 4514), (4255, 4270)]