19119900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 61496064

約数和(自身を除く): 42376164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 25, 30, 34, 46, 50, 51, 60, 68, 69, 75, 85, 92, 100, 102, 115, 138, 150, 163, 170, 204, 230, 255, 276, 300, 326, 340, 345, 391, 425, 460, 489, 510, 575, 652, 690, 782, 815, 850, 978, 1020, 1150, 1173, 1275, 1380, 1564, 1630, 1700, 1725, 1955, 1956, 2300, 2346, 2445, 2550, 2771, 3260, 3450, 3749, 3910, 4075, 4692, 4890, 5100, 5542, 5865, 6900, 7498, 7820, 8150, 8313, 9775, 9780, 11084, 11247, 11730, 12225, 13855, 14996, 16300, 16626, 18745, 19550, 22494, 23460, 24450, 27710, 29325, 33252, 37490, 39100, 41565, 44988, 48900, 55420, 56235, 58650, 63733, 69275, 74980, 83130, 93725, 112470, 117300, 127466, 138550, 166260, 187450, 191199, 207825, 224940, 254932, 277100, 281175, 318665, 374900, 382398, 415650, 562350, 637330, 764796, 831300, 955995, 1124700, 1274660, 1593325, 1911990, 3186650, 3823980, 4779975, 6373300, 9559950, 19119900]

約数ペア:

[(1, 19119900), (2, 9559950), (3, 6373300), (4, 4779975), (5, 3823980), (6, 3186650), (10, 1911990), (12, 1593325), (15, 1274660), (17, 1124700), (20, 955995), (23, 831300), (25, 764796), (30, 637330), (34, 562350), (46, 415650), (50, 382398), (51, 374900), (60, 318665), (68, 281175), (69, 277100), (75, 254932), (85, 224940), (92, 207825), (100, 191199), (102, 187450), (115, 166260), (138, 138550), (150, 127466), (163, 117300), (170, 112470), (204, 93725), (230, 83130), (255, 74980), (276, 69275), (300, 63733), (326, 58650), (340, 56235), (345, 55420), (391, 48900), (425, 44988), (460, 41565), (489, 39100), (510, 37490), (575, 33252), (652, 29325), (690, 27710), (782, 24450), (815, 23460), (850, 22494), (978, 19550), (1020, 18745), (1150, 16626), (1173, 16300), (1275, 14996), (1380, 13855), (1564, 12225), (1630, 11730), (1700, 11247), (1725, 11084), (1955, 9780), (1956, 9775), (2300, 8313), (2346, 8150), (2445, 7820), (2550, 7498), (2771, 6900), (3260, 5865), (3450, 5542), (3749, 5100), (3910, 4890), (4075, 4692)]